Stabilized black polyoxymethylene moulding materials

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...

Reexamination Certificate

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Details

C524S495000, C524S496000, C524S500000

Reexamination Certificate

active

06878764

ABSTRACT:
Thermoplastic molding compositions comprising, as substantive components,A) from 5% by weight to (99.99% by weight minus 1 ppb), based on components A) to D), of a polyoxymethylene homo- or copolymer,B) from 1 ppb to 1% by weight, based on the molding composition made from A) to D), of at least one polyethyleneimine homo- or copolymer,C) from 0.01 to 15% by weight of carbon black, andD) from 0 to 80% by weight of other additives,where the total of percentages by weight of components A) to D) is always 100%.

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USPTO obtained translation of DE 3628561 (Mar. 3, 1988) Goerrissen et al.*
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